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Quantum gates with neutral atoms: Controlling collisional interactions in time dependent traps | | T. Calarco
; E.A. Hinds
; D. Jaksch
; J. Schmiedmayer
; J.I. Cirac
; P. Zoller ( Institut fuer Theoretische Physik
; Universitaet Innsbruck
; Innsbruck
; Austria ECT*
; Villa Tambosi
; Villazzano
; | | Date: |
5 May 1999 | | Journal: | Phys.Rev. A61 (2000) 22304 | | Subject: | quant-ph | | Affiliation: | 1,2), E.A. Hinds , D. Jaksch , J. Schmiedmayer , J.I. Cirac , and P. Zoller ( Institut fuer Theoretische Physik, Universitaet Innsbruck, Innsbruck, Austria ECT*, Villa Tambosi, Villazzano (Trento), Italy Sussex Centre for Optical and Atomic Physics, | | Abstract: | We theoretically study specific schemes for performing a fundamental two-qubit quantum gate via controlled atomic collisions by switching microscopic potentials. In particular we calculate the fidelity of a gate operation for a configuration where a potential barrier between two atoms is instantaneously removed and restored after a certain time. Possible implementations could be based on microtraps created by magnetic and electric fields, or potentials induced by laser light. | | Source: | arXiv, quant-ph/9905013 | | Services: | Forum | Review | PDF | Favorites | |
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